rayfellow wrote:
The trouble is power cords should not touch each other or cross over each
other because of heat. A friend burned his house down because of fire caused
by overlapping power cords.  I suspect manufacturers hesitate to offer such
an item for fear of the liability.

I can second that. I know of a nice EV conversion where the owner used a cord on a reel for charging. There were plenty of warnings on the packaging; "unreel cord before use" etc. But he ran 10-15 amps through it to charge his EV with the cord still all reeled up. The cord melted, shorted out, and luckily tripped the breaker before a fire started. But the cord and its reel were completely destroyed.

It is *possible* to de-rate the cord enough so it won't overheat even if left coiled up. But I think you would wind up needing such an oversized wire that it would make the reel impractically large, heavy, and expensive.

They do make industrial-strength coil-cords. These would be a more practical way to make a self-coiling charging cord.

--
The greatest pleasure in life is to create something that wasn't there before. -- Roy Spence
--
Lee A. Hart, http://www.sunrise-ev.com/LeesEVs.htm
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